I left you a message on my post, but here's the skinny . . . my girls are 9 and 14. I think the age group is 9-12 which is probably a good age group -- I'm sure my 9 year old would get along with your 11 year olds. What grade are they going in? Fifth or Sixth? My 9 year old is going into 3rd and my big-shot teenager will be in 8th . . . oh boy!
I can give you tons more information, e-mail me at firstname.lastname@example.org
. . . the "meet" party . . . I've got your answers, but it has to do with another message board and I don't think it's proper to mention them here.